Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r183-tall-167838870200283.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is FlexibleBarrier-PT-04b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r183-tall-167838870200283
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 7.4K Feb 25 12:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 25 12:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 12:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 12:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Feb 25 12:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Feb 25 12:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 69K Mar 5 18:22 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1678550949804

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-04b
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-11 16:09:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2023-03-11 16:09:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 16:09:11] [INFO ] Load time of PNML (sax parser for PT used): 51 ms
[2023-03-11 16:09:11] [INFO ] Transformed 268 places.
[2023-03-11 16:09:11] [INFO ] Transformed 305 transitions.
[2023-03-11 16:09:11] [INFO ] Found NUPN structural information;
[2023-03-11 16:09:11] [INFO ] Parsed PT model containing 268 places and 305 transitions and 743 arcs in 114 ms.
Graph (trivial) has 254 edges and 268 vertex of which 26 / 268 are part of one of the 4 SCC in 4 ms
Free SCC test removed 22 places
Structural test allowed to assert that 90 places are NOT stable. Took 12 ms.
Ensure Unique test removed 23 transitions
Reduce redundant transitions removed 23 transitions.
Incomplete random walk after 10000 steps, including 290 resets, run finished after 468 ms. (steps per millisecond=21 ) properties (out of 178) seen :124
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 54) seen :4
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) seen :6
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Running SMT prover for 44 properties.
[2023-03-11 16:09:12] [INFO ] Flow matrix only has 279 transitions (discarded 3 similar events)
// Phase 1: matrix 279 rows 246 cols
[2023-03-11 16:09:12] [INFO ] Computed 6 place invariants in 16 ms
[2023-03-11 16:09:12] [INFO ] After 415ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:44
[2023-03-11 16:09:13] [INFO ] [Nat]Absence check using 6 positive place invariants in 48 ms returned sat
[2023-03-11 16:09:13] [INFO ] After 502ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :44
[2023-03-11 16:09:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-11 16:09:14] [INFO ] After 419ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :44
[2023-03-11 16:09:14] [INFO ] Deduced a trap composed of 89 places in 102 ms of which 5 ms to minimize.
[2023-03-11 16:09:14] [INFO ] Deduced a trap composed of 75 places in 75 ms of which 1 ms to minimize.
[2023-03-11 16:09:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 215 ms
[2023-03-11 16:09:14] [INFO ] Deduced a trap composed of 75 places in 135 ms of which 1 ms to minimize.
[2023-03-11 16:09:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 162 ms
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 88 places in 101 ms of which 0 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 86 places in 78 ms of which 0 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 213 ms
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 73 places in 71 ms of which 0 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 93 places in 69 ms of which 0 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 73 places in 59 ms of which 1 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 238 ms
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 33 places in 66 ms of which 0 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 1 ms to minimize.
[2023-03-11 16:09:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 192 ms
[2023-03-11 16:09:15] [INFO ] After 2167ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :44
Attempting to minimize the solution found.
Minimization took 410 ms.
[2023-03-11 16:09:16] [INFO ] After 3604ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :44
Parikh walk visited 4 properties in 524 ms.
Support contains 40 out of 246 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 246/246 places, 282/282 transitions.
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 67 transitions
Trivial Post-agglo rules discarded 67 transitions
Performed 67 trivial Post agglomeration. Transition count delta: 67
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 246 transition count 211
Reduce places removed 67 places and 0 transitions.
Iterating post reduction 1 with 67 rules applied. Total rules applied 138 place count 179 transition count 211
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 138 place count 179 transition count 203
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 154 place count 171 transition count 203
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 210 place count 115 transition count 147
Iterating global reduction 2 with 56 rules applied. Total rules applied 266 place count 115 transition count 147
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 266 place count 115 transition count 145
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 270 place count 113 transition count 145
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 277 place count 106 transition count 138
Iterating global reduction 2 with 7 rules applied. Total rules applied 284 place count 106 transition count 138
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 291 place count 106 transition count 131
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 329 place count 87 transition count 112
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 336 place count 87 transition count 105
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 338 place count 86 transition count 119
Free-agglomeration rule applied 24 times.
Iterating global reduction 4 with 24 rules applied. Total rules applied 362 place count 86 transition count 95
Reduce places removed 24 places and 0 transitions.
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 32 rules applied. Total rules applied 394 place count 62 transition count 87
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 397 place count 62 transition count 84
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 398 place count 61 transition count 83
Applied a total of 398 rules in 52 ms. Remains 61 /246 variables (removed 185) and now considering 83/282 (removed 199) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 61/246 places, 83/282 transitions.
Finished random walk after 837 steps, including 0 resets, run visited all 40 properties in 10 ms. (steps per millisecond=83 )
Able to resolve query StableMarking after proving 180 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 5640 ms.
ITS solved all properties within timeout

BK_STOP 1678550961546

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-04b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is FlexibleBarrier-PT-04b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r183-tall-167838870200283"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04b.tgz
mv FlexibleBarrier-PT-04b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;